html {
    height: 100%;
}
body {
    background-color: #ffffff;
    background-size: 100% 100%;
    height: 100%;
}
.col-center-block {
    float: none;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20%;
    text-align: center;
    max-width: 333px;
}
.edit {
    margin-top: 10px;
}
.textcolor {
    color: white;
}
